Return EphemeralRange from Editor::findRangeOfString.

third_party/WebKit/Source/core/editing/EphemeralRange.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef EphemeralRange_h
 #define EphemeralRange_h
 
 #include "core/editing/Position.h"
 
 namespace blink {
@@ skipping 47 matching lines @@
 
     // Returns true if |m_startPositoin| == |m_endPosition| or |isNull()|.
     bool isCollapsed() const;
     bool isNull() const
     {
         ASSERT(isValid());
         return m_startPosition.isNull();
     }
     bool isNotNull() const { return !isNull(); }
 
+    // Returns united bounding box of all LayoutText objects within the range,
+    // as same as Range::boundingBox().
+    IntRect textBoundingBox() const;
+
     DEFINE_INLINE_TRACE()
     {
         visitor->trace(m_startPosition);
         visitor->trace(m_endPosition);
     }
 
     // |node| should be in-document and valid for anchor node of
     // |PositionTemplate<Strategy>|.
     static EphemeralRangeTemplate<Strategy> rangeOfContents(const Node& /* node */);
 
@@ skipping 13 matching lines @@
 extern template class CORE_EXTERN_TEMPLATE_EXPORT EphemeralRangeTemplate<EditingInComposedTreeStrategy>;
 using EphemeralRangeInComposedTree = EphemeralRangeTemplate<EditingInComposedTreeStrategy>;
 
 // Returns a newly created |Range| object from |range| or |nullptr| if
 // |range.isNull()| returns true.
 CORE_EXPORT PassRefPtrWillBeRawPtr<Range> createRange(const EphemeralRange& /* range */);
 
 } // namespace blink
 
 #endif